Java implementation of Excel Rate function

Hello,
I need to use the Excel Rate built in function in java code.
Has any one done this be4? or has seen this on the web.
Thanks for ur help!

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Hi Timo,
Thanks for your Reply.
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Edited by: lovenish on 21-Jan-2011 04:25

RATE function in Essbase

Does anyone know how to get an Essbase function equivalent to the RATE function in Excel? Regards, Pablo

Here is what you need to do: Java code: public static double Rate(double npr, double pmt, double Pv, double Fv,double guess, double error){ double rate = 0.01; if (guess > 0) rate = guess / 100; double a = 0.0; if (pmt == 0) { return (Math.pow(Fv/Pv,1/npr) - 1) * 100; } else { while(1==1) { a = Pv * rate * Math.pow((1 + rate),npr) / ( Math.pow(1 + rate,npr)- 1); System.out.println(a); if ( Math.abs(a - pmt) < error) { return rate * 100; } else if (Math.abs(a) > pmt) { rate -= 0.00001; } else { rate += 0.00001; } } } } MAXL to register the CDF: CREATE OR REPLACE FUNCTION '@JRate' AS 'com.hyperion.essbase.cdf.stats.Stats.Rate(double,double,double,double,double,double)' SPEC '@JRate(npr, pmt, Pv, Fv, guess, error)' COMMENT 'Return the rate where npr: number of payments, pmt: periodic payment, Pv: present value, Fv: future value, guess: rate guess (If 0 then the default is 10%), error: error tolerance on payment estimate'; Usage in a clac script: Example 1: Number of payment = 26, Present Value = 500, Future Value = 572. What is the rate? @JRate(26,0,500,572,5,0.1) = 0.5188% Excel returns RATE(26,0,-500,572) = 0.5188% Example 2: Number of payment = 360, Payment = 665, Present Value = 100,000. What is the rate? @JRate(360,665,100000,0,5,0.1) = 0.5829% Excel returns RATE(360,665,-100000) = 0.5830% Send me your direct email address if you want the actual files.

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I don't have any CRM system at hand, but I'm sure there are some BAdI's for this. Look in SE18 for BP or BUS, and i'm sure you will find something.
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I am so confused. What exactly is the Java implementation of web service concept? SOAP, J2EE, JSP+Servlets+beans or what?

For an excellent description of webservices in Java read the following article
http://www.theserverside.com/resources/article.jsp?l=WebServices-Dev-Guide
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Web services means a client server program which exhanges data in XML over HTTP.
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http://java.sun.com/features/2001/09/ebxmlrev.html
hope this helps.
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Report generation Toolkit: Excel report functions error -2146827284

Hi,
I'm trying to create an automated report using excel functions from the report generation toolkit in labVIEW. When I run the program that generates the report first time round (the report consists of several worksheets, each worksheet is added onto the report at a diffferent state in a state machine) it always works fine and no error is generated. However, when I run the program again it will infrequently (sometimes it does, other times it will not) generate the undefined error -2146827284, this is coming from one of the excel report functions and it cannot find it on highlight execution mode.
Does anyone know anything about this error, why it occurs, how to prevent it?
I would appreciate any help.
Thanks,
Rowan

mebels_cti wrote:
Found something that helped; https://forums.ni.com/t5/LabVIEW/Error-code-quot-2146827284-quot-when-trying-to-open-an-Excel/m-p/20...
Excel still open
So I added this;
You should use the Application Quit method instead of killing the task. I doubt this is the cause of your issue.
Ben64

How to make a Java program that recognises a function of two variables...

How to make a Java program that recognises a function of two variables to assign values to that?
First I will give an example and then do the question.
Ex1.
We have any function, eg.y = x ^ 2 + 1 (read 'y' equals 'x' high to the square), a function of the second degree.
To build the graph of this function attach values to 'x' to find the values of 'y'
And thus mount the pair ordered (x, y) which represents a point on the Cartesian plane.
Assigning values to 'x' 'we can build up a table that gives us the pairs ordered:
We can use any numbers, but arfer interval [-3.3]
X | y = x ^ 2 + 1
-3 | Y = (-3) ^ 2 +1 = 10
-2 | Y = (-2) ^ 2 +1 = 5
-1 | Y = (-1) ^ 2 +1 = 2
0 | y = (0) ^ 2 +1 = 1
1 | y = (1) ^ 2 +1 = 2
2 | y = (2) ^ 2 +1 = 5
3 | y = (3) ^ 2 +1 = 10
We then ordered the pairs:
(-3.10), (-2.5); (-1.2), (0,1), (1,2), (2,5), (3,10)
Tabem that can be represented by a table:
X | y
-3 | Y = 10
-2 | Y = 5
-1 | Y = 2
0 | y = 1
1 | y = 2
2 | y = 5
3 | y = 10
Now I begin to explain my doubts.
See this program:
Ex2
* To change this template, choose Tools | Templates
* And open the template in the editor.
Encontrando_o_valor_de_y package;
* @ Author des Soldat Gottes
Import javax.swing.JOptionPane;
Public class (Main
* @ Param args the command line arguments
Public static void main (String [] args) (
Int x, y;
String x1;
X1 = JOptionPane.showInputDialog ( "We have the function y = x + 1 \ n" +
"Assign a value for 'x',"); / / receives a value for the function y = x + 1
X = Integer.parseInt (x1); / / tranforma String in int
Y = x + 1; / / receives the value of 'x' and calculates' y '
JOptionPane.showMessageDialog (null, "The value of 'y' is: \ t \ t" + y);
/ / Displays the value of 'y'
System.exit (0);
We see that the program receives above a value for 'x' and replaces the function contained in the program, y = x + 1, and so is the value of the variable 'y'.
In: x1 = JOptionPane.showInputDialog ( "We have the function y = x + 1 \ n" +
"Assign a value for 'x',");
The entry is a number and that number is assigned aa ja existing function in the (y = x + 1).
The question is: would it be possible to come to a function?
Ex: the program ask: DIGITE THE FUNCTION?
The USUARIO DIGITARIA A FUNCTION ANY, TYPE: y = x ^ 2 +1
The program would recognize the function and give numerical values to that function as Ex1, at the beginning of this text.
And then to find the values of the x and y launch a table.
It would be possible that?
By invez of entering with a number so that the program sustitua a function ja existing as Ex2, seen above, entering with a function quaquer (type: y = x ^ 2 +1) for the program atribuisse values to that function and then create a table of values as Ex1.
I hope it has been easier to understand my doubts now.
Thank you for your attention!
God bless!

rafaelmenezes wrote:
Thanks for the explanation, could understand what fly said.
But as it applied to a program?
How to create a program that recognizes that the entry coefficients?Are you asking about how to parse out the coefficients from the string "3x^4 + 4x^3 - 8x^2 + 5x^1 + 2x^0"? If you define the format to strictly follow that example, this should get you started:
Strip out the spaces
Split the String on "x^"
That should give you [3, 4+4, 3-8, 2+5, 1+2, 0]
Split each resulting String on "+ | -", preserving the operator as a token so you can apply the correct sign to the coeff.
That should leave you with [3, 4, +, 4, 3, -, 8, 2, +, 5, 1, +, 2, 0]. Every other number is a coeff, the rest are the degrees.
You can strip out the +, since those coeffs are already positive, and strip out the - after negating the following number. This is all assuming that you have to write this yourself. There is no doubt already a library or 5 out there that does this for you.

Creating Web Services using Java Implementation

Hi,
This is quite a general question on how to create a Web Service using Java Implementation that needs to conform to a client XML schema.
Here are my Version specs,
I am using Jdeveloper 10.1.3.4.0 and deploying onto OAS 10.1.3.
I will be creating a J2ee 1.4 (JAX-RPC) Web Service using Document/Wrapped style.
I have been provided an XML schema from the client which is quite complex.
Using a top-down approach, I can create my WSDL file and import the XML Schema for my type definitions.
The Web service aim is to accept some parameters and return some data from the Oracle Database. The
XML response from the web service must conform to the element, attribute definitions in the provided XML schema.
From a Java implementation approach, what is the best (simplest or quickest) way to retrieve data from the Oracle
tables and map each fields/column to the required XML output (defined in the XML schema).
I'm not too concerned with using Java to retrieve data from the Database, more with how I can map the data returned
to the required output. Can this mapping task be controlled within the Java program?
Thanks in advance.

Hi,
This is quite a general question on how to create a Web Service using Java Implementation that needs to conform to a client XML schema.
Here are my Version specs,
I am using Jdeveloper 10.1.3.4.0 and deploying onto OAS 10.1.3.
I will be creating a J2ee 1.4 (JAX-RPC) Web Service using Document/Wrapped style.
I have been provided an XML schema from the client which is quite complex.
Using a top-down approach, I can create my WSDL file and import the XML Schema for my type definitions.
The Web service aim is to accept some parameters and return some data from the Oracle Database. The
XML response from the web service must conform to the element, attribute definitions in the provided XML schema.
From a Java implementation approach, what is the best (simplest or quickest) way to retrieve data from the Oracle
tables and map each fields/column to the required XML output (defined in the XML schema).
I'm not too concerned with using Java to retrieve data from the Database, more with how I can map the data returned
to the required output. Can this mapping task be controlled within the Java program?
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Java implementation from WSDL file

Hello All
I am working on my thesis and have to deal with web services. I have a WSDL file where I have to create the Java implementation for and deploy it to TomCat which is comming with JWSDP1.3.
The steps I do are as follow:
1. Get the WSDL file
2. Create the config.xml file
3. run wscompile with "-import" option
4. implement service implementation (provider interface)
5. run wsdeploy tool
All tools are running successfully without exception. When I try to access the webservice I receive the following message from tomcat:
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and I cannot access the webservice from my client program. The "hello" example works with my setup.
Below, please find my WSDL file and my config file as well as my provider interface implementation.
Thanks for your help.
===========
calculatesqrt1.wsdl:
<definitions xmlns:tns="http://localhost:8080/calculatesqrt1-jaxrpc1/ws/calcultesqrt1.wsdl" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" targetNamespace="http://localhost:8080/calculatesqrt1-jaxrpc1/ws/calcultesqrt1.wsdl" name="Calculatesqrt1">
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 <message name="CalculatesqrtProvider1_sqrtResponse">
 <part name="result" type="xsd:double"/>
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 <portType name="CalculatesqrtProvider1">
 <operation name="sqrt" parameterOrder="double_1">
 <input message="tns:CalculatesqrtProvider1_sqrt"/>
 <output message="tns:CalculatesqrtProvider1_sqrtResponse"/>
 </operation>
 </portType>
 <binding name="CalculatesqrtProvider1Binding" type="tns:CalculatesqrtProvider1">
 <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
 <operation name="sqrt">
 <input>
 <soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://localhost:8080/calculatesqrt1-jaxrpc1/ws/calculatesqrt1.wsdl"/>
 </input>
 <output>
 <soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://localhost:8080/calculatesqrt1-jaxrpc1/ws/calculatesqrt1.wsdl"/>
 </output>
 <soap:operation/>
 </operation>
 </binding>
 <service name="Calculatesqrt1">
 <port name="CalculatesqrtProvider1Port" binding="tns:CalculatesqrtProvider1Binding">
 <soap:address location="http://localhost:8080/calculatesqrt1-jaxrpc1/ws/calcultesqrt1"/>
 </port>
 </service>
</definitions>
===========
config.xml:
<?xml version="1.0" encoding="UTF-8"?>
<configuration xmlns="http://java.sun.com/xml/ns/jax-rpc/ri/config">
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 </wsdl>
</configuration>
============
CalculatesqrtServiceImpl1.java:
package calcusqrt1;
public class CalculatesqrtServiceImpl1 implements calcusqrt1.CalculatesqrtProvider1 {
public double sqrt(double double0) {
 return Math.sqrt(double0);

Please post future JAXRPC related questions to [email protected]
Sounds like it did not get deployed properly on the web server. You should be able to hit the URL for the
web service in a web browser to get an information.
The client will use the address stored in the WSDL to access the webservice, please make sure that it is correct. If you download the WSDL from the deployed service the address should be fixed up for you.

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Regressions Demo for TS1.vi ‏33 KB

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I think you got it correctly.
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How to get the java code of the standard functions

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hi
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Java implementation of Excel Rate function

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